Final answer:
The texts provided do not directly answer what Irene learns from Vincent, but they explore themes of identity, deception, and personal growth as characters uncover truths about themselves and others.
Step-by-step explanation:
The excerpts provided do not give a clear indication of a character named Irene learning something from a character named Vincent. However, the texts hint at themes of identity, deception, and personal growth through the experiences of various characters discovering truths about themselves and others. For example, in the narrative involving Venters and Bess, Venters grapples with Bess's true innocence despite her past, which stands in contrast to the 'cold and sickening fact' of her association with Oldring. Similarly, Dexter in F. Scott Fitzgerald's work must come to terms with a painful end to a romantic engagement and a deeper understanding of his own emotions.